Question

Prove that sinθ -2sin^3θ/2 cos^3 -cosθ = tanθ

Answer 1

(sin@-2sin³@)/(2cos³@-cos@),

[sin@(1-2sin²@)]/[cos@(2cos²@-1)],

(sin@×cos2@)/(cos@×cos2@),

sin@/cos@,

tan@

Answer 2

Answer:

Step-by-step explanation:

Hope it helps you